var dataObj=function(){
    this.fruitNum=0;
    this.double=1;
    this.score=0;
    this.gameOver=false;
    this.alpha=0;
}

dataObj.prototype.draw=function(){
    var w=can1.width;
    var h=can1.height;
    ctx1.save();
    ctx1.fillStyle='white';
    // ctx1.fillText('num '+ this.fruitNum,w*0.5,h-50);
    // ctx1.fillText('double '+ this.double,w*0.5,h-80);
    ctx1.shadowBlur=10;
    ctx1.shadowColor="white";
    ctx1.fillText('SCORE: '+ this.score,w*0.5,h-20);
    if(this.gameOver){
        this.alpha+=deltaTime*0.0005;
        if(this.alpha>1){
            this.alpha=1
        }
        ctx1.fillStyle='rgba(255,255,255,'+this.alpha+')';
        ctx1.fillText('GAMEOVER',w*0.5,h*0.5);
    }
    ctx1.restore();
}
dataObj.prototype.addScore=function(){
    this.score+=this.fruitNum*100*this.double;
    this.fruitNum=0;
    this.double=1;
}